Sensor



FIG. 1 is a perspective view of a first embodiment of a sensor according to our novel design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and

FIG. 4 is a rear view thereof.

FIG. 5 is a perspective view of a second embodiment of the sensor according to our novel design;

FIG. 6 is a front view thereof;

FIG. 7 is a side view thereof; and

FIG. 8 is a rear view thereof.

FIG. 9 is a perspective view of a third embodiment of the sensor according to our novel design;

FIG. 10 is a front view thereof;

FIG. 11 is a side view thereof; and

FIG. 12 is a rear view thereof.

FIG. 13 is a perspective view of a fourth embodiment of the sensor according to our novel design;

FIG. 14 is a front view thereof;

FIG. 15 is a side view thereof; and,

FIG. 16 is a rear view thereof. 

The ornamental design for a sensor, as shown and described. 